Noninvasive continuous blood pressure measurement system based on PSO-GRNN neural network

Abstract

The invention discloses a noninvasive continuous blood pressure measurement system based on a PSO-GRNN neural network. The system comprises a pulse signal acquisition module, a blood pressure acquisition module, a server module which used for receiving collected pulse wave signals, performing de-noising processing based on discrete wavelet transform, obtaining pulse wave feature points, calculating feature parameters based on the pulse wave feature points, taking the feature parameters as an input matrix of a training set, taking blood pressure signals corresponding to the pulse signals as output values of the training set, performing model training based on the PSO-GRNN neural network to obtain a trained blood pressure prediction model, and obtaining a blood pressure prediction value through the feature parameters on the basis of the trained blood pressure prediction model; and a terminal module which is connected with the server module and is used for displaying the pulse wave signals subjected to de-noising processing and the blood pressure predicted value. According to the method, dynamic modeling is performed on the pulse wave feature parameters based on the PSO-GRNN neural network, and the continuous blood pressure measurement accuracy is improved.

Description

technical field [0001] The invention relates to the technical field of noninvasive continuous blood pressure measurement, in particular to a noninvasive continuous blood pressure measurement system based on PSO-GRNN neural network. Background technique [0002] As an important physiological parameter, blood pressure (BP) is not only closely related to cardiovascular health, but also can reflect the health of the human brain and cardiovascular system, so it can play a role in pathological diagnosis, curative effect observation, and disease judgment. Positive application value. [0003] Existing blood pressure measurement methods are divided into intermittent blood pressure measurement methods and continuous blood pressure measurement methods. Intermittent blood pressure measurement methods include Korotkoff sound auscultation, infrasound and oscillometric methods, etc., but this method cannot achieve continuous measurement, and the subject will be restrained by an inflatable...

AI Technical Summary

Problems solved by technology

However, human blood pressure is affected by many factors, and continuous blood pressure measurement is affected by many factors, so the measurement accuracy is not high. Therefore, how to improve the measurement accuracy of continuous blood pressure has become an important issue.

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